The Pinout Archive
The ultimate quick-reference guide for wiring up your projects safely.
Arduino Nano Pinout
Breadboard-friendly version of the Uno, perfect for permanent soldering.
Arduino Pro Mini Pinout
Minimalist 3.3V or 5V board requiring an external FTDI programmer.
Arduino Uno R3 Pinout
The classic ATmega328P development board. The standard for beginners.
ESP32 DevKit V1 (DOIT 30-pin) Pinout
Dual-core Wi-Fi and Bluetooth microcontroller powerhouse (30-pin version).
ESP32 DevKitC V4 (38-pin) Pinout
The official Espressif 38-pin development board for the ESP32.
ESP32-WROOM-32 Module Pinout
The base Espressif ESP32-WROOM-32 module pinout.
ESP8266 NodeMCU V3 (ESP-12E) Pinout
The original budget Wi-Fi board that revolutionized IoT.
ESP8266 Wemos D1 Mini Pinout
A tiny, stackable ESP8266 board perfect for smart home sensors.
Raspberry Pi 4 Model B (40-Pin GPIO) Pinout
The standard 40-pin GPIO layout for modern Raspberry Pi single-board computers.
Raspberry Pi Pico (RP2040) Pinout
The powerful dual-core ARM Cortex-M0+ from the Pi Foundation.
Raspberry Pi Pico W Pinout
The Pico upgraded with an Infineon CYW43439 Wi-Fi/Bluetooth chip.
Raspberry Pi Zero 2 W Pinout
Quad-core tiny Linux computer. Uses the exact same 40-pin GPIO layout as the Raspberry Pi 4.
SeeedStudio XIAO ESP32S3 Pinout
Thumb-sized ESP32-S3 development board perfect for space-constrained IoT and wearable projects.
SeeedStudio XIAO SAMD21 Pinout
The original thumb-sized Arduino-compatible powerhouse based on the ARM Cortex-M0+.
Waveshare ESP32-S3 Pinout
The standard Waveshare ESP32-S3 Development Board (DEV-KIT-N8R8) featuring ample IO and high performance.
Waveshare ESP32-S3-Zero Pinout
Compact and powerful ESP32-S3-Zero development board by Waveshare with Wi-Fi and Bluetooth 5 (LE).